Patent US4140974A successfully refreshed from Google Patents.
Patent US4090965A successfully refreshed from Google Patents.
Patent US3259286A successfully refreshed from Google Patents.
US3259286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for dividing glass
Assignee: Compagnie de Saint Gobain SA
•
Filing: 1964-10-05
•
Granted: 1966-07-05
•
Expires: 1984-10-05
Abstract
No abstract record available.
Inventors
- 👤 Gras Jacques Yves Jean Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:08
CPC Classifications
C; C03; C03B; C03B33/00; C03B33/09; C03B33/02; C03B33/023; C03B33/033; Y; Y02; Y02P; Y02P40/00; Y02P40/50; Y02P40/57; Y10; Y10T; Y10T225/00; Y10T225/10; Y10T225/12; Y10T225/30; Y10T225/307; Y10T225/321; Y10T225/325
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
109 words
APPARATUS FOR THE PROGRESSIVE DIVISION OF SHEET GLASS WHICH HAS IN ITS SURFACE AN ENSCRIBED LINE, WHICH COMPRISES MEANS TO APPLY BREAKING FORCE TO THE GLASS ALONG THE ENSCRIBED LINE INCLUDING ROTARY GLASS-BENDING MEANS COMPRISING A FIRST ROLLER HAVING TWO COAXIAL CONICAL SECTIONS WITH THEIR SMALLER ENDS CONTIGUOUS, SAID ROLLER CONTACTING THE SCRIBED SURFACE OF THE GLASS WITH SAID SECTIONS ON RESPECTIVELY OPPOSITE SIDES OF THE SCORED LINE THEREIN, TO COLLABORATE TO BREAK THE GLASS AND TO ARREST THE BROKEN PARTS AT THE APEX ANGLE OF SAID SECTIONS, AND MEANS TO IMPART RELATIVE MOTION TO THE GLASS AND BENDING MEANS WHEREBY THE BENDING MEANS PROGRESSES ALONG THE ENSCRIBED LINE.
References Cited (Backward Citations)
US1310451A
Cited
US1391405A
Cited
US1930582A
Cited
US2150391A
Cited
US2756545A
Cited
DE1016417B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |